- a metal breastplate worn under a coat of mail
- a padded protector worn over the chest by fencers
- a trimming like a dickey, worn on the front of a woman's dress
- a starched shirt front
- the lower, ventral part of the shell of a turtle or tortoise
Origin of plastronFrench ; from Italian piastrone ; from piastra: see piaster
- A metal breastplate worn under a coat of mail.
- A quilted pad worn by fencers to protect the torso and side.
- A trimming on the front of a bodice.
- The front of a man's dress shirt.
- The front panel of the tunic of a uniform, usually of a different color than the rest.
- Zoology The ventral part of the shell of a turtle or tortoise.
Origin of plastronFrench, from Old French, from Old Italian piastrone, augmentative of piastra, thin metal plate; see piaster.
underside of a painted turtle
- The nearly flat part of the shell structure of a tortoise or other animal, similar in composition to the carapace.
- (fencing) A half-jacket worn under the jacket for padding or for safety.
- An ornamental front panel on a woman's bodice.
- A film of air trapped by specialized hairs against the body of an aquatic insect, and which acts as an external gill.
- The plastron of a diving beetle is not directly a source of oxygen, but acts as a gill, acquiring oxygen from the surrounding water.
From French plastron, from Italian piastrone, augmentive of piastra (“breastplate”), from Latin emplastrum (“plaster”), from Ancient Greek εμπλαστρον (emplastron), from εμπλαστος (emplastos, “daubed, plastered”), from εμπλασσειν (emplassein, “to mould, form”).